#521C0D#521C0D

#521C0D is a dark, moderate red. Relative luminance 0.027; OKLCH L 30.7% C 0.085 H 36.2°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#521C0D
RGB	rgb(82, 28, 13)
HSL	hsl(13, 73%, 19%)
HSV	hsv(13, 84%, 32%)
CMYK	cmyk(0%, 65.9%, 84.1%, 67.8%)
CIE-LAB	lab(18.60, 24.31, 22.29)
CIE-LCH	lch(18.60, 32.98, 42.52°)
OKLab	oklab(30.75% 0.0684 0.0501)
OKLCH	oklch(30.75% 0.085 36.2)
XYZ	xyz(3.9680, 2.6540, 0.6840)
Luminance	0.0265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#521C0D #0D4352

analogous

#520D20 #521C0D #523E0D

triadic

#521C0D #0D521C #1C0D52

tetradic

#521C0D #20520D #0D4352 #3E0D52

square

#521C0D #20520D #0D4352 #3E0D52

split-complementary

#521C0D #0D523E #0D2052

monochromatic

#1A0904 #1D0A05 #521C0D #872E15 #BC401E

Accessibility & contrast

On white

13.72

#521C0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#521C0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #521C0D

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##521C0D	#FFFFFF	#000000	##FFFFFF
##521C0D	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B260B

Deuteranopia (green-blind)

#38320B

Tritanopia (blue-blind)

#5B0F19

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #521c0d;
/* rgb */ color: rgb(82, 28, 13);
/* oklch */ color: oklch(30.7% 0.085 36.2);

Tailwind

colors: {
  custom: {
    50: '#885a4d',
    500: '#521c0d',
    950: '#000000',
  },
}

SCSS

$custom: #521c0d;
$custom-light: #885a4d;
$custom-dark: #000000;

JSON

{
  "hex": "#521c0d",
  "rgb": {
    "r": 82,
    "g": 28,
    "b": 13
  },
  "hsl": {
    "h": 13.043,
    "s": 72.632,
    "l": 18.627
  },
  "oklch": {
    "l": 0.30749,
    "c": 0.08481,
    "h": 36.2
  },
  "luminance": 0.02653
}

Semantic roles & 50–950 ramp

primary

#521C0D

secondary

#2E788D

accent

#C8EF38

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #521C0D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →